FURVERT!

animal_genitalia animal_penis anthro anthro_on_anthro anus balls blush butt canid canine canine_genitalia canine_penis canis domestic_dog duo echo_(echo_shep)ergo_(ergo_shep)genital_piercing genitals german_shepherd herding_dog hi_res illbarks knot lying male male/male mammal on_back pastoral_dog pawpads penis penis_piercing piercing presenting presenting_another presenting_anus prince_albert_piercing sheath simple_background spread_butt spreading surprised